MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c8ebdad13646834264323e55ccba3ed5abac075fdaa77c4de92b88975b3990. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA 29 File information Comments

SHA256 hash: 03c8ebdad13646834264323e55ccba3ed5abac075fdaa77c4de92b88975b3990
SHA3-384 hash: eae2cb6cac50656ff78dbadbf180ebc914d06678bbe118a9f2be61b83399abfce9a671ad6ddca343618123581be06e94
SHA1 hash: 2d265bd19ecb5f5f361afee21a1b4c76b7c7990b
MD5 hash: 4de51ebec95ebab9ba97b4e6d738bfdf
humanhash: table-earth-minnesota-illinois
File name:nOverdue_Invoices.tar
Download: download sample
Signature AgentTesla
File size:1'119'744 bytes
First seen:2025-07-30 09:30:11 UTC
Last seen:2025-08-02 13:33:56 UTC
File type: tar
MIME type:application/x-tar
ssdeep 12288:6vXfu8wTq4qjgdu7hR9hvzDp60oj95f1EEyUUX9m1C+5LM3O5mvh37fz534VVVk1:SJd4qjgCR9hWxB1HyLmQS8L7534VVVk
TLSH T19A3539E291A508A5D4B35DB08812E8333246AC9AD82385598ED7FF5BF5F3ED30C23957
TrID 62.9% (.TAR/GTAR) TAR - Tape ARchive (GNU) (17/3)
37.0% (.TAR) TAR - Tape ARchive (file) (10/3)
Magika tar
Reporter FXOLabs
Tags:AgentTesla tar

Intelligence


File Origin
# of uploads :
2
# of downloads :
47
Origin country :
BR BR
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Overdue Invoices.exe
File size:1'118'208 bytes
SHA256 hash: 75facf1a5257fcf9a3eb2b66468afa3efe03b8334cc6c4486de96d3ffe47c9fb
MD5 hash: fbd0d69c4c1d68ca1a4ff09ea088759c
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
virus micro lien msil
Gathering data
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-07-30 09:30:36 UTC
File Type:
Binary (Archive)
Extracted files:
24
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:agentesla
Author:Michelle Khalil
Description:This rule detects unpacked agenttesla malware samples.
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:BlackGuard_Rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_form_obfuscate
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:win_agent_tesla_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

tar 03c8ebdad13646834264323e55ccba3ed5abac075fdaa77c4de92b88975b3990

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments